A Preliminary Evaluation of a Web-Based Intervention for College Marijuana Use
A Preliminary Evaluation of a Web-Based Intervention for College Marijuana Use
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DOI：
10.1037/a0034995
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发表时间：
2014-03-01
影响因子：
3.4
通讯作者：
Vanable, Peter A.
中科院分区：
文献类型：
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作者：
Elliott, Jennifer C.;Carey, Kate B.;Vanable, Peter A.
大学里的年轻人吸食、滥用和依赖大麻的比例很高。基于网络的干预措施越来越受欢迎，但其传播超出了经验支持。一项受欢迎但尚未得到充分研究的计划是针对大学和学院的大麻 eCHECKUP TO GO (e-TOKE)（圣地亚哥州立大学研究基金会，2009 年）。本研究的目的是评估其在改变本科生吸食大麻和认知规范方面的短期有效性。参与者为 317 名本科生（52% 为女性，78% 为白人），他们在基线前一个月内报告吸食过大麻；每个人被随机分配到通过交叉 e-TOKE 与仅评估形成的 4 个条件之一，以及简短与广泛的基线评估（以评估评估反应性）。因此，161 人 (51%) 接受了 eTOKE（77 人使用扩展基线，84 人使用简短基线），156 人 (49%) 接受仅评估控制（85 人使用扩展基线，71 人使用简短基线）。 1 个月后，所有参与者报告了大麻的使用、问题、滥用和依赖症状以及规范。评估反应性分析未根据评估条件得出显着差异。完成 e-TOKE 计划的个人报告了不太极端的描述性规范 (ps < 0.01)，但大麻使用频率、问题、滥用或依赖症状或禁令规范的变化没有减少 (ps > 0.10)。因此，e-TOKE 降低了对其他人使用的看法，但这项研究并未提供证据证明其在短期内改变个人使用和问题指标的效用。考虑到描述性规范可能调节行为改变的可能性，需要进行更多的长期随访研究。
Young adults in college have high rates of marijuana use, abuse, and dependence. Web-based interventions are increasingly popular, but their dissemination exceeds empirical support. One popular but understudied program is The Marijuana eCHECKUP TO GO (e-TOKE) for Universities & Colleges (San Diego State University Research Foundation, 2009). The aim of the present study was to evaluate its short-term effectiveness in changing marijuana involvement and perceived norms in undergraduates. Participants were 317 undergraduates (52% female, 78% White) who reported marijuana use within the month preceding baseline; each was randomly assigned to 1 of 4 conditions formed by crossing e-TOKE versus assessment only, with brief versus extensive baseline assessment (to assess assessment reactivity). Thus, 161 (51%) received eTOKE (77 with extended baseline, 84 with brief baseline), and 156 (49%) received assessment-only control (85 with extended baseline, 71 with brief baseline). 1 month later, all participants reported on marijuana use, problems, abuse and dependence symptoms, and norms. Assessment reactivity analyses yielded no significant differences by assessment condition. Individuals completing the e-TOKE program reported less extreme descriptive norms (ps < 0.01) but no decrease in marijuana use frequency, problems, abuse or dependence symptoms, or changes in injunctive norms (ps > 0.10). Thus, e-TOKE reduces perceptions of others' use, but this study did not provide evidence for its utility in changing personal use and problem indicators in the short-term. More research with longer follow-ups is indicated, given the possibility that descriptive norms could mediate behavior change.